package com.zzyl.nursing.service.impl;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.json.JSONUtil;
import com.alibaba.fastjson2.JSON;
import com.aliyun.iot20180120.Client;
import com.aliyun.iot20180120.models.*;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.zzyl.common.constant.CacheConstants;
import com.zzyl.common.core.domain.AjaxResult;
import com.zzyl.common.exception.base.BaseException;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.framework.config.properties.AliIoTConfigProperties;
import com.zzyl.nursing.dto.DeviceDto;
import com.zzyl.nursing.vo.DeviceVo;
import com.zzyl.nursing.vo.ProductVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.mapper.DeviceMapper;
import com.zzyl.nursing.domain.Device;
import com.zzyl.nursing.service.IDeviceService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.transaction.annotation.Transactional;

/**
 * 设备Service业务层处理
 * 
 * @author alexis
 * @date 2025-01-10
 */
@Service
public class DeviceServiceImpl extends ServiceImpl<DeviceMapper, Device> implements IDeviceService
{
    @Autowired
    private DeviceMapper deviceMapper;

    @Autowired
    private Client client;

    @Autowired
    private AliIoTConfigProperties aliIoTConfigProperties;

    @Autowired
    private RedisTemplate<String, String> redisTemplate;

    /**
     * 查询设备
     * 
     * @param id 设备主键
     * @return 设备
     */
    @Override
    public Device selectDeviceById(Long id)
    {
        return deviceMapper.selectById(id);
    }

    /**
     * 查询设备列表
     * 
     * @param device 设备
     * @return 设备
     */
    @Override
    public List<Device> selectDeviceList(Device device)
    {
        return deviceMapper.selectDeviceList(device);
    }

    /**
     * 新增设备
     * 
     * @param device 设备
     * @return 结果
     */
    @Override
    public int insertDevice(Device device)
    {
        return deviceMapper.insert(device);
    }

    /**
     * 修改设备
     * 
     * @param device 设备
     * @return 结果
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public int updateDevice(Device device)
    {
        // 1.更新数据库中的设备信息
        int result = deviceMapper.updateById(device);

        // 2.更新IOT平台上的设备信息
        BatchUpdateDeviceNicknameRequest request = new BatchUpdateDeviceNicknameRequest();
        request.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());
        List<BatchUpdateDeviceNicknameRequest.BatchUpdateDeviceNicknameRequestDeviceNicknameInfo> nicknameInfos = new ArrayList<>();

        BatchUpdateDeviceNicknameRequest.BatchUpdateDeviceNicknameRequestDeviceNicknameInfo nicknameInfo = new BatchUpdateDeviceNicknameRequest.BatchUpdateDeviceNicknameRequestDeviceNicknameInfo();
        nicknameInfo.setNickname(device.getNickname());
        nicknameInfo.setProductKey(device.getProductKey());
        nicknameInfo.setDeviceName(device.getDeviceName());

        nicknameInfos.add(nicknameInfo);

        request.setDeviceNicknameInfo(nicknameInfos);

        BatchUpdateDeviceNicknameResponse response;
        try {
            response = client.batchUpdateDeviceNickname(request);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

        if (!response.getBody().getSuccess()) {
            throw new BaseException("更新设备失败");
        }

        return result;
    }

    /**
     * 批量删除设备
     * 
     * @param ids 需要删除的设备主键
     * @return 结果
     */
    @Override
    public int deleteDeviceByIds(Long[] ids)
    {
        return deviceMapper.deleteBatchIds(Arrays.asList(ids));
    }

    /**
     * 删除设备信息
     * 
     * @param id 设备主键
     * @return 结果
     */
    @Override
    public int deleteDeviceById(Long id)
    {
        return deviceMapper.deleteById(id);
    }

    /**
     * 同步产品列表
     */
    @Override
    public void syncProductList() {
        // 1.调用IOT平台接口获取产品列表
        QueryProductListRequest request = new QueryProductListRequest();
        request.setCurrentPage(1);
        request.setPageSize(100);
        request.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());

        QueryProductListResponse response;
        try {
            response = client.queryProductList(request);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

        // 判断响应是否成功
        if (!response.getBody().getSuccess()) {
            throw new BaseException("同步产品列表失败");
        }

        // 2.将产品列表保存到Redis中
        List<QueryProductListResponseBody.QueryProductListResponseBodyDataListProductInfo> productList = response.body.data.list.productInfo;
        redisTemplate.opsForValue().set(CacheConstants.IOT_PRODUCT_LIST, JSON.toJSONString(productList));
    }

    /**
     * 从Redis中获取产品列表
     *
     * @return 产品列表
     */
    @Override
    public List<ProductVo> getProductList() {
        // 1.查询Redis获取所有产品列表
        String productListStr = redisTemplate.opsForValue().get(CacheConstants.IOT_PRODUCT_LIST);

        // 2.将查询到的结果响应给前端
        return JSONUtil.toList(productListStr, ProductVo.class);
    }

    /**
     * 注册设备
     *
     * @param deviceDto 设备信息
     */
    @Override
    public void registerDevice(DeviceDto deviceDto) {
        // 1.查询数据库判断设备名称是否重复
        Long count = deviceMapper.selectCount(Wrappers.<Device>lambdaQuery().eq(Device::getDeviceName, deviceDto.getDeviceName()));

        // 2.如果重复，直接结束流程
        if (count > 0) {
            throw new BaseException("设备名称重复，请重新输入");
        }

        // 3.如果不重复，调用IOT平台接口注册设备
        RegisterDeviceRequest request = deviceDto.getRegisterDeviceRequest();
        request.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());

        RegisterDeviceResponse response;
        try {
            response = client.registerDevice(request);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

        if (!response.getBody().getSuccess()) {
            throw new BaseException("调用IOT平台注册设备失败");
        }

        // 4.IOT平台上注册设备成功，判断位置类型是否为0，如果为0，是随身设备，设置物理位置类型为-1
        if (deviceDto.getLocationType() == 0) {
            deviceDto.setPhysicalLocationType(-1);
        }

        // 5.补全新增时返回的iot_id到设备对象中
        String iotId = response.getBody().getData().getIotId();

        // 对象属性拷贝
        Device device = BeanUtil.toBean(deviceDto, Device.class);
        device.setIotId(iotId);

        try {
            // 6.保存设备到数据库中
            int result = deviceMapper.insert(device);
            if (result == 0) {
                deleteIOTDevice(deviceDto, iotId);
                throw new BaseException("该老人/位置已绑定该产品，请重新选择");
            }
        } catch (Exception e) {
            deleteIOTDevice(deviceDto, iotId);
            throw new BaseException("该老人/位置已绑定该产品，请重新选择");
        }
    }

    /**
     * 删除IOT平台上的注册设备
     * @param deviceDto 设备信息
     * @param iotId iotId
     */
    private void deleteIOTDevice(DeviceDto deviceDto, String iotId) {
        // 7.判断如果保存失败，删除IOT平台上刚刚新增的设备
        DeleteDeviceRequest deleteDeviceRequest = new DeleteDeviceRequest();
        deleteDeviceRequest.setProductKey(deviceDto.getProductKey());
        deleteDeviceRequest.setDeviceName(deviceDto.getDeviceName());
        deleteDeviceRequest.setIotId(iotId);
        deleteDeviceRequest.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());
        try {
            client.deleteDevice(deleteDeviceRequest);
        } catch (Exception ex) {
            throw new BaseException("调用IOT平台删除设备失败");
        }
    }

    /**
     * 查询设备详情
     *
     * @param deviceDto 设备信息
     * @return 设备详情
     */
    @Override
    public DeviceVo queryDeviceDetail(DeviceDto deviceDto) {
        // 1.查询IOT平台获取设备信息
        QueryDeviceDetailRequest request = new QueryDeviceDetailRequest();
        request.setIotId(deviceDto.getIotId());
        request.setProductKey(deviceDto.getProductKey());
        request.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());

        QueryDeviceDetailResponse response;
        try {
            response = client.queryDeviceDetail(request);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

        if (!response.getBody().getSuccess()) {
            throw new BaseException("调用IOT平台查询设备详情失败");
        }

        // 获取出结果中的设备信息并将结果拷贝到设备详情对象中
        DeviceVo deviceVo = BeanUtil.toBean(response.body.getData(), DeviceVo.class);

        // 2.查询数据库获取数据库中的设备信息
        Device device = deviceMapper.selectOne(Wrappers.<Device>lambdaQuery().eq(Device::getIotId, deviceDto.getIotId()));

        // 3.合并两部分信息并返回
        BeanUtil.copyProperties(device, deviceVo);
        return deviceVo;
    }

    /**
     * 查看指定产品的已发布物模型中的功能定义详情
     *
     * @param request 参数
     * @return 结果
     */
    @Override
    public AjaxResult queryThingModelPublished(QueryThingModelPublishedRequest request) {
        request.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());

        QueryThingModelPublishedResponse response;
        try {
            response = client.queryThingModelPublished(request);
        } catch (Exception e) {
            throw new BaseException("调用IOT平台查询失败");
        }

        if (!response.getBody().getSuccess()) {
            throw new BaseException("调用IOT平台查询失败");
        }

        // 查询成功，获取结果并返回
        return AjaxResult.success(response.getBody().getData());
    }

    /**
     * 查询指定设备的物模型运行状态
     *
     * @param request 参数
     * @return 结果
     */
    @Override
    public AjaxResult queryDevicePropertyStatus(QueryDevicePropertyStatusRequest request) {
        request.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());

        QueryDevicePropertyStatusResponse response;
        try {
            response = client.queryDevicePropertyStatus(request);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

        if (!response.getBody().getSuccess()) {
            throw new BaseException("调用IOT平台查询失败");
        }

        // 获取结果并返回
        return AjaxResult.success(response.getBody().getData());
    }


    /**
     * 删除设备
     *
     * @param request 请求对象
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deleteDevice(DeleteDeviceRequest request) {
        // 1.删除数据库中的设备
        deviceMapper.delete(Wrappers.<Device>lambdaQuery()
                .eq(Device::getIotId, request.getIotId())
                .eq(Device::getProductKey, request.getProductKey()));

        // 2.删除IOT平台上的设备
        request.setIotInstanceId(aliIoTConfigProperties.getIotInstanceId());

        DeleteDeviceResponse response;
        try {
            response = client.deleteDevice(request);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }

        if (!response.getBody().success) {
            throw new BaseException("调用IOT平台删除设备失败");
        }
    }
}
